FROST Station : GRAYS RIVER HATCHERY, WA3333 Start yr. - 1962 End yr. - 1990 Requested years of data: 29 Available years of data: 29 Spring: Years of missing data 24 deg = 1, 28 deg = 1, 32 deg = 0 Years with no occurrence 24 deg = 6, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 28, 28 deg = 28, 32 deg = 29 Fall: Years of missing data 24 deg = 0, 28 deg = 0, 32 deg = 0 Years with no occurrence 24 deg = 1, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 29, 28 deg = 29, 32 deg = 29 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | March 20 | April 21 | May 30 | | | 2 year in 10 later than-- | March 5 | April 12 | May 22 | | | 5 year in 10 later than-- | February 3 | March 24 | May 6 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 14 | October 17 |September 22 | | | 2 yr in 10 earlier than-- | November 24 | October 28 |September 30 | | | 5 yr in 10 earlier than-- | December 16 | November 19 | October 15 | | | ------------------------------------------------------------------------